making a headder ????

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Old Feb 4, 2007 | 11:05 AM
  #1  
-GRIFFIN-'s Avatar
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From: kentville, ns, canada
Default making a headder ????

i am making my own 4-2-1 headder, just wondering what size piping should i use i have a b20 vtec swaped in my 93 civic si

joe griffin
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Old Feb 4, 2007 | 11:17 AM
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91jdmhatchback's Avatar
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Default Re: making a headder ???? (-GRIFFIN-)

bump for some info....
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Old Feb 4, 2007 | 11:58 AM
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Default Re: making a headder ???? (-GRIFFIN-)

you need to give some more info on your motor, is it just a stock block with a stock head?

I would say something between 1.5" and 1.75" for the runners, 2.5" at the collector, but it's hard to say without some more info.
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Old Feb 4, 2007 | 03:56 PM
  #4  
-GRIFFIN-'s Avatar
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From: kentville, ns, canada
Default Re: making a headder ???? (danielm3)

well this info is fro my buddie,

hes got skunk 2 cams, dont know what stage
fpr, p28 with crome : b20 vtec basemap
2 1/4 exhaust


if its any help

joe griffin
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